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Represent bucket as object instead of []byte name.

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Thanks to this change:
  - all the maps bucket -> buffer are indexed by int's instead of
string. No need to do: byte[] -> string -> hash conversion on each
access.
  - buckets are strongly typed in backend/mvcc API.
This commit is contained in:
Piotr Tabor
2021-05-17 23:05:27 +02:00
parent 8bddbdc1d6
commit e6baf6d751
25 changed files with 359 additions and 289 deletions
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7
server/mvcc/kvstore_txn.go
View File

@@ -21,6 +21,7 @@ import (
"go.etcd.io/etcd/pkg/v3/traceutil"
"go.etcd.io/etcd/server/v3/lease"
"go.etcd.io/etcd/server/v3/mvcc/backend"
"go.etcd.io/etcd/server/v3/mvcc/buckets"
"go.uber.org/zap"
)
@@ -159,7 +160,7 @@ func (tr *storeTxnRead) rangeKeys(ctx context.Context, key, end []byte, curRev i
default:
}
revToBytes(revpair, revBytes)
_, vs := tr.tx.UnsafeRange(keyBucketName, revBytes, nil, 0)
_, vs := tr.tx.UnsafeRange(buckets.Key, revBytes, nil, 0)
if len(vs) != 1 {
tr.s.lg.Fatal(
"range failed to find revision pair",
@@ -214,7 +215,7 @@ func (tw *storeTxnWrite) put(key, value []byte, leaseID lease.LeaseID) {
}
tw.trace.Step("marshal mvccpb.KeyValue")
tw.tx.UnsafeSeqPut(keyBucketName, ibytes, d)
tw.tx.UnsafeSeqPut(buckets.Key, ibytes, d)
tw.s.kvindex.Put(key, idxRev)
tw.changes = append(tw.changes, kv)
tw.trace.Step("store kv pair into bolt db")
@@ -275,7 +276,7 @@ func (tw *storeTxnWrite) delete(key []byte) {
)
}
tw.tx.UnsafeSeqPut(keyBucketName, ibytes, d)
tw.tx.UnsafeSeqPut(buckets.Key, ibytes, d)
err = tw.s.kvindex.Tombstone(key, idxRev)
if err != nil {
tw.storeTxnRead.s.lg.Fatal(